High severity7.1NVD Advisory· Published Jan 11, 2023· Updated Jun 17, 2026

CVE-2021-46779

Description

Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

Affected products

AMD/Milanpi Firmware
cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*
Range: <1.0.0.4
AMD/Naplespi Firmware
cpe:2.3:o:amd:naplespi_firmware:*:*:*:*:*:*:*:*
Range: <1.0.0.g
AMD/Romepi Firmware
cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*
Range: <1.0.0.c
AMD/Secure Processorllm-fuzzy
AMD/1st Gen EPYCv5
Range: various
AMD/2nd Gen EPYCv5
Range: various
AMD/3rd Gen EPYCv5
Range: various

Patches

Vulnerability mechanics

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032nvdVendor Advisory

News mentions

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cvss	0.461
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000